maintainers: Update name and email of savalet

Author: savalet

maintainers/maintainer-list.nix

@@ -22479,10 +22479,10 @@
     name = "Sauyon Lee";
   };
   savalet = {
-    email = "[email protected]";
+    email = "[email protected]";
     github = "savalet";
     githubId = 73446695;
-    name = "savalet";
+    name = "Savinien Petitjean";
   };
   savannidgerinel = {
     email = "[email protected]";